Page Banner

United States Department of Agriculture

Agricultural Research Service

Related Topics

Mathias J M Romkens (Matt)
Watershed Physical Processes Research
General Physical Science

Phone: (662) 232-2940
Fax: (662) 281-5713

598 MCELROY DR
OXFORD , MS 386551157

Projects
Assessing Rill and Gully Development and Evolution Processes Across Landscape Scales
Specific Cooperative Agreement (S)
  Accession Number: 425359

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
USDA-ARS National Sedimentation Laboratory: A historic perspective Reprint Icon -
Wells, R.R., Bennett, S.J., Bingner, R.L., Dabney, S.M., Langendoen, E.J., Momm, H.G., Romkens, M.J., Wilson, G.V. 2015. USDA-ARS National Sedimentation Laboratory: A historic perspective. Journal of Water Resource and Protection. 7:228-246. http://dx.doi.org/10.4236/jwarp.2015.73019.
Soil erosion on upland areas by rainfall and overland flow -
Romkens, M.J., Wells, R.R., Wang, B., Zheng, F., Hickey, C.J. 2015. Soil erosion on upland areas by rainfall and overland flow, pp. 361-405. In Yang, C. T. Y. and Wang, L. K. (eds.) Advances in Water Resources Engineering, Springer. 556 pp. 2015.
Geophysical methods for the assessment of earthen dams -
Hickey, C.J., Romkens, M.J., Wells, R.R., Wodajo, L. 2015. Geophysical methods for the assessment of earthen dams. pp. 297-359. In Yang, C. T. Y. and Wang, L. K. (eds.) Advances in Water Resources Engineering, Springer. 556 pp. 2015.
A perspective of the USDA watershed erosion and sedimentation research -
Changes in spatiotemporal land use patterns in selected hydrogeomorphic areas of China and the USA -
Quan, B., Romkens, M.J., Bingner, R.L., Momm, H., Wilcox, D.L. 2013. Changes in spatiotemporal land use patterns in selected hydrogeomorphic areas of China and the USA. International Journal of Geosciences. 4(3):537-548.
A theoretical treatise of drainage and seepage in bottom land areas adjacent to incised channels: the J. J. van Deemter analysis -
Romkens, M.J. 2013. A theoretical treatise of drainage and seepage in bottom land areas adjacent to incised channels: the J. J. van Deemter analysis. Proceedings of the 12th International Symposium on River Sedimentation. 2049-2058. (CD ROM)
Spatiotemporal urban land use changes in the Changzhutan Region of Hunan Province in China -
Quan, B., Xiao, Z., Romkens, M.J. 2013. Spatiotemporal urban land use changes in the Changzhutan Region of Hunan Province in China. Journal of Geographic Information System. 5(2):136-147.
Soil erodibility for water erosion: A perspective and Chinese experiences Reprint Icon -
Wang, B., Zheng, F., Romkens, M.J., Darboux, F. 2013. Soil erodibility for water erosion: A perspective and Chinese experiences. Geomorphology. 187: 1-10.
The role of soil surface water regimes and raindrop impact on hillslope soil erosion and nutrient losses -
An, J., Zheng, F., Romkens, M.J., Li, G., Yang, Q., Wen, L., Wang, B. 2013. The role of soil surface water regimes and raindrop impact on hillslope soil erosion and nutrient losses. Natural Hazards. 67:411-430. DOI 10.1007/s11069-013-0570-9.
Comparison of soil erodibility factors in USLE, RUSLE2, EPIC and Dg models based on a Chinese soil erodibiity database. Reprint Icon -
Wang, B., Zheng, F., Romkens, M.J. 2013. Comparison of soil erodibility factors in USLE, RUSLE2, EPIC and Dg models based on a Chinese soil erodibiity database.. Acta Agriculturae Scandinavica, Section B - Soil & Plant Science. 63(1): 69-79.
A phenomenological study of sediment transport in shallow overland flow Reprint Icon -
Romkens, M.J., Suryadevara, M.R., Prasad, S.N. 2013. A phenomenological study of sediment transport in shallow overland flow. Transactions of the ASABE. 56(2):515-522.
Calculation of exit gradients at drainage ditches Reprint Icon -
Romkens, M.J. 2011. Calculation of exit gradients at drainage ditches. Landform Analysis. 17:151-153.
Effects of grass and shrub cover on the critical unit stream power in overland flow -
Xiao, P., Yao, W., Romkens, M.J. 2011. Effects of grass and shrub cover on the critical unit stream power in overland flow. International Journal of Sediment Research. 26:(3)387-394.
Sediment transport in shallow overland flow -
Suryadevara, M., Romkens, M.J., Prasad, S. 2011. Sediment transport in shallow overland flow. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE). 711P0311cd: Paper 11045. 8 pp. CDROM.
Phenomena of drag reduction on saltating sediment in shallow, supercritical flows -
Prasad, S.N., Suryadevara, M.R., Romkens, M.J. 2011. Phenomena of drag reduction on saltating sediment in shallow, supercritical flows. International Association of Hydraulic Research International Symposiumon Ruver, Coastal, and Estuarine Morphodynamics, Tsinghua University Press, Beijing, PRC. Theme A: 14-22. CDROM.
Seepage and seepage gradients in an homogeneous, isotropic aquifer with drains as a function of soil properties and flow region geometry -
Effect of land use and land cover change on soil erosion and the spatio-temporal variation in Liupan Mountain Region, southern Ningxia, China Reprint Icon -
Quan, B., Romkens, M.J., Li, R., Wang, F., Chen, J. 2011. Effect of land use and land cover change on soil erosion and the spatio-temporal variation in Liupan Mountains Region, Southern Ningxia, China. Frontiers of Environmental Science and Engineering in China. 5(4):564-572. DOI 10.1007/s11783-011-0348-9.
The Effect of the Subsurface Soil Water Regime on Sediment Production and Movement -
Romkens, M.J. 2010. The Effect of the Subsurface Soil Water Regime on Sediment Production and Movement. International Symposium on River Sedimentation. CD ROM.
Erosion and sedimentation research in agricultural watersheds in the USA: From past to present and beyond -
Romkens, M.J. 2010. Erosion and sedimentation research in agricultural watersheds in the USA: From past to present and beyond. In: Sediment Dynamics for a Changing Future. K. Banasik, A.J. Horowitz, P.N. Owens, M. Stone and D.E. Walling (Eds.): IAHS Publ. 337:17-26.
Current Erosion and Sediment Research Concerns in Agricultural Watersheds in the USA -
Romkens, M.J. 2010. Current Erosion and Sediment Research Concerns in Agricultural Watersheds in the USA. International Symposium on River Sedimentation. 43-51.
Subsurface exit gradients at a drainage ditch with lower water table than the groundwater table -
Romkens, M.J. 2010. Subsurface exit gradients at a drainage ditch with lower water table than the groundwater table. Federal Interagency Sedimentation Conference Proceedings. (CD-ROM)
Formation and mechanics of granular waves in gravity and shallow overland flow -
Suryadevara, M.R., Prasad, S., Romkens, M.J. 2010. Formation and mechanics of granular waves in gravity and shallow overland flow. American Geophysical Union. (CD-ROM)
The National Sedimentation Laboratory: 50 years of soil and water research in a changing environment Reprint Icon -
Langendoen, E.J., Shields Jr, F.D., Romkens, M.J. 2009. The National Sedimentation Laboratory: 50 years of soil and water research in a changing environment. Ecohydrology. 2:227-234.
Grain transport mechanics in shallow flow -
Prasad, S., Suryadevarda, M.R., Romkens, M.J. 2009. Grain transport mechanics in shallow flow. Ecohydrology. 2:248-256.
Grain transport mechanics in shallow overland flow -
Model development for evaluating USDA Conservation practices -
Ascough, II, J.C., Romkens, M.J. 2008. Model development for evaluating USDA Conservation practices. Proceedings of the ASCE World Environmental and Water Resources Congress Conference. May 12-18,2008. Honolulu, HI. CD-ROM.
Measurements and analysis of sediment transport capacity in shallow overland flow -
Prasad, S., Suryadevara, M., Romkens, M.J. 2008. Measurements and analysis of sediment transport capacity in shallow overland flow. International Soil Conservation Organization Conference Proceedings. May 18-23, 2008, Budapest, Hungary. CD-ROM.
A discussion of assumptions and solution approaches of infiltration into a cracked soil -
Romkens, M.J., Prasad, S.N. 2007. A discussion of assumptions and solution approaches of infiltration into a cracked soil. Proceedings of the International Yellow River Forum. Vol. I:392-400.
Ephemeral Gully Erosion by Preferential Flow Through a Discontinuous Soil-Pipe -
Wilson, G.V., Cullum, R.F., Romkens, M.J. 2008. Ephemeral Gully Erosion by Preferential Flow Through a Discontinuous Soil-Pipe. Catena, 73(1): 98-106.
Land suitability assessment and land use change in Fujian Province, China -
Quan, B., Zhu, H., Romkens, M.J. Land suitability assessment and land use change in Fujian Province, China. Pedosphere. 17(4):493-504. 2007
Post Saltation Sediment Transport by Shallow Super Critical Flows -
Rao, S.M., Prasad, S.N., Romkens, M.J. 2007. Post Saltation Sediment Transport by Shallow Super Critical Flows. International Symposium on River Sedimentation, Moscow, Russia, Aug. 1-4, 2007. CD-ROM
A SIMPLE TECHNIQUE FOR MEASURING WETTING FRONT DEPTHS FOR SELECTED SOILS -
Wells, R.R., Romkens, M.J., Parlange, J., Dicarlo, D.A., Steenhuis, T.S., Prasad, S.N. 2007. A simple technique for measuring wetting front depths for selected soils. Soil Science Society of America Journal 71(3): 669-673.
Soil erosion predictions from upland areas – a discussion of selected RUSLE2 advances and needs -
Foster, G., Romkens, M.J., Dabney, S.M. 2006. Soil erosion predictions from upland areas – a discussion of selected RUSLE2 advances and needs. Beijing, China, Nov. 25-26, 2006. Proceedings of the Sino-American Workshop on Advanced Computational Modeling in Hydroscience and Engineering.
Rain infiltration into swelling/shrinking/cracking soils -
Romkens, M.J., Prasad, S. 2006. Rain infiltration into swelling/shrinking/cracking soils. Agricultural Water Management. 86:196-205.
SOIL DEFORMATION AND ITS SPECTRAL SIGNATURE -
Wells, R.R., Prasad, S.N., Romkens, M.J. 2007. Soil deformation and its spectral signature. Earth Surface Processes and Landforms. 32(5):786-793.
SPATIAL-TEMPORAL PATTERN AND DRIVING FORCES OF LAND USE CHANGES IN XIAMEN -
Quan, B., Chen, J., Qui, H., Romkens, M.J., Yang, X., Li, B. 2006. Spatial-temporal pattern and driving forces of land use changes in Xiamen. Pedosphere. 16(4):477-488.
PIPE FLOW IMPACTS ON EPHEMERAL GULLY EROSION -
Wilson, G.V., Cullum, R.F., Romkens, M.J. 2006. Pipe flow impacts on ephemeral gully erosion. Federal Interagency Sedimentation Conference Proceedings, April 2-6, 2006, Reno, Nevada. CDROM.
SEDIMENT TRANSPORT RESEARCH IN SHALLOW OVERLAND FLOW -
Romkens, M.J., Rao, S., Prasad, S. 2006. Sediment transport research in shallow overland flow. Federal Interagency Sedimentation Conference Proceedings, April 2-6, 2006, Reno, Nevada. CDROM.
Macropore Flow and Mass Wasting of Gullies in the Loess Plateau, China -
Wilson, G.V., Xu, M., Chen, Y., Liu, G., Romkens, M.J. 2005. Macropore Flow and Mass Wasting of Gullies in the Loess Plateau, China. International Journal of Sediment Research. 20(3): 249-258.
SEDIMENT TRANSPORT RESEARCH IN SHALLOW OVERLAND FLOW: A PHENOMENOLOGICAL DESCRIPTION -
HYDROLOGICALLY DRIVEN MECHANISMS OF HEADCUT DEVELOPMENT -
Romkens, M.J., Prasad, S. 2005. Hydrologically driven mechanisms of headcut development. International Journal of Sediment Research. 20(3):176-184.
EXPERIMENTAL OBSERVATIONS OF THE EFFECT OF PARTICLE INTERACTIONS ON THE TRANSPORT CAPACITY IN SHALLOW OVERLAND FLOW -
Prasad, S.N., Suryadevara, M.R., Romkens, M.J. 2005. Experimental observations of the effect of particle interactions on the transport capacity in shallow overland flow. Proceedings of the 2nd International Yellow River Forum, Zhengzhou, P. R. China, Oct. 16-21, 2005. II:351-361.
OPTICAL MEASUREMENTS OF GRAIN VELOCITY AND SEDIMENT CONCENTRATION IN SHALLOW UPLAND FLOWS -
Suryadevard, M.R., Prasad, S.N., Romkens, M.J. 2004. Optical measurements of grain velocity and sediment concentration in shallow upland flows. International Symposium on River Sedimentation. CD ROM
CONSERVATION EFFECTS ASSESSMENT PROJECT (CEAP) WATERSHED ASSESSMENT STUDIES: YALOBUSHA RIVER WATERSHED [ABSTRACT] -
Wilson, G.V., Rhoton, F.E., Romkens, M.J., Dicarlo, D.A., Dabney, S.M., Oldham, L., Cooper, C.M. 2004. Conservation Effects Assessment Project (CEAP) watershed assessment studies: Yalobusha River Watershed [abstract]. Agronomy Abstracts #3411.
SEDIMENT TRANSPORT CAPACITY OF SHALLOW FLOWS IN UPLAND AREAS -
Prasad, S., Rao, S., Romkens, M.J. 2004. Sediment transport capacity of shallow flows in upland areas. Paper 659. International Soil Conservation Organization Conference Proceedings. July, 2004. Brisbane, Queensland, Australia. CD-ROM.
THE CHANGING NATURE OF USDA AGRICULTURAL WATERSHED RESEARCH -
Romkens, M.J. 2004. The changing nature of USDA agricultural watershed research. International Hydro-Science & Engineering International Proceedings. (CD/ROM) May, 2004. Brisbane, Queensland, Australia. National Center for Hydroscience & Engineering.
MECHANICAL ENERGY AND SUBSURFACE HYDROLOGIC EFFECTS IN HEAD-CUT PROCESSES -
Prasad, S.N., Romkens, M.J. 2004. Mechanical energy and subsurface hydrologic effects in head-cut processes. International Symposium on Gully Erosion Under Global Change Proceedings. 109-120.
INFILTRATION AND SURFACE GEOMETRY FEATURES OF A SWELLING SOIL FOLLOWING SUCCESSIVE SIMULATED RAINSTORMS -
Wells, R.R., Dicarlo, D.A., Steenhuis, T.S., Parlange, J., Romkens, M.J., Prasad, S.N. 2003. Infiltration and surface geometry features of a swelling soil following successive simulated rainstorms. Soil Science Society of America Journal. 67:1344-1351.
FERRIHYDRITE INFLUENCE ON INFILTRATION, RUNOFF AND SOIL LOSS -
Soil Science Society of America Journal. 2003. V. 67, p. 1220-1226
USDA WATERSHED RESEARCH - AN EVOLUTION IN MISSION -
Romkens, M.J., Richardson, C.W. 2004. USDA watershed research - an evolution in mission. American Chemical Society Monograph Series #877. Washington, DC. American Chemical Society, p. 16-29.
ENERGY FORMULATIONS OF HEAD CUT DYNAMICS -
PRASAD, S., ROMKENS, M.J. ENERGY FORMULATIONS OF HEAD CUT DYNAMICS. CATENA. 2003. Vol. 50, p. 469-487.
DEVELOPMENT OF A PREDICTIVE RELATIONSHIP FOR INFILTRATION INTO SWELLING/CRACKING SOILS: AN UPDATE -
Romkens, M.J., Prasad, S.N., Dicarlo, D.A., Wells, R.R. 2002. Development of a predictive relationship for infiltration into swelling/cracking soils: an update. Federal Interagency Hydrologic Modeling Conference. (CD-ROM) Session 1.B.
SOIL EROSION BY WATER AND TILLAGE -
Methods of Soil Analysis. Part 4 Physical Methods. SSSA Book Series, No. 5. 2002. p. 1621-1662.
INFILTRATION INTO SOIL WITH DYNAMIC SURFACE SEALS -
Prasad, S., Romkens, M.J. 2002. Infiltration into soil with dynamic surface seals. 12th International Soil Conservation Organization Conference Proceedings. 2:92-98.
TRAPPED MULCH INCREASES SEDIMENT REMOVAL BY VEGETATIVE FILTER STRIPS: A FLUME STUDY -
JIN, C.X., DABNEY, S.M., ROMKENS, M.J. TRAPPED MULCH INCREASES SEDIMENT REMOVAL BY VEGETATIVE FILTER STRIPS: A FLUME STUDY. TRANSACTIONS OF THE AMERICAN SOCIETY OF AGRICULTURAL ENGINEERS. Vol. 45(4), p. 929-939. 2002.
SOIL EROSION UNDER DIFFERENT RAINFALL INTENSITIES, SURFACE ROUGHNESS, AND SOIL WATER REGIMES -
TILLAGE AND ROW POSITION AFFECT WATER INFILTRATION CHARACTERISTICS -
MEASUREMENTS AND MODELS OF SOIL LOSS RATES -
Nearing, M.A., Romkens, M.J., Norton, L.D., Stott, D.E., Rhoton, F.E., Laflen, J.M., Flanagan, D.C., Alonso, C.V., Bingner, R.L., Dabney, S.M. 2000. Measurements and models of soil loss rates. Science. 290(5495):1300-1301.
OPTIMAL MODE OF SEDIMENT TRANSPORT BY SHALLOW FLOWS IN UPLAND AREAS -
MODELING CUMULATIVE INFILTRATION INTO CRACKING SOILS -
CYCLIC AND NON-CYCLIC PATTERNS OF BED ROUGHNESS IN ERODING RILLS -
ESTIMATING MANNING'S ROUGHNESS COEFFICIENT FOR SHALLOW OVERLAND FLOW IN NON-SUBMERGED VEGETATIVE FILTER STRIPS -
SELF-SIMILARITY AND HEADCUT DYNAMICS: BASIC HYPOTHESES AND ANALYSIS -
A MORPHOLOGICAL STUDY OF HEADCUT GROWTH AND MIGRATION IN UPLAND CONCENTRATED FLOWS. -
PERIODIC WAVES IN SHALLOW GRANULAR FLOWS -
ON THE UNSTEADY SHALLOW FLOWS OF GRANULAR MATERIALS LONGITUDINAL SELF-ORGANIZATION -
SEDIMENT YIELD - SURFACE TOPOGRAPHY RELATIONSHIPS FOR SELECTED MISSISSIPPI SOILS -
AN IMPROVED SYNTRON VIBRA-FLOW SEDIMENT FEEDER FOR WIDE FEEDING -
MODELING DEPOSITION PROCESSES IN VEGETATIVE FILTER STRIPS -
ENTWICKLUNG VON ABFLUSSMUSTERN UND IHRE BEDEUTUNG FUR DEN SEDIMENTTRANSPORT -
SOIL EROSION ON UPLAND AREAS UNDER DIFFERENT HYDROLOGIC REGIMES AND SOIL SURFACE CONDITIONS -
EROSIONAL DEVELOPMENT OF SMALL SCALE DRAINAGE NETWORKS -
IRON OXIDES - ERODIBILITY INTERACTIONS FOR SOILS OF THE MEMPHIS CATENA -
RAIN INFILTRATION INTO CRACKING SOILS -
WATER DISTRIBUTION IN A FRAGIPAN SOIL DURING THE GROWING SEASON -
DYNAMICS OF HEAD-CUTS IN UPLAND CONCENTRATED FLOWS -
DRAINAGE NETWORK CHARACTERISTICS ON ERODING SOIL SURFACES -
DYNAMICS OF HEAD-CUTS IN UPLAND CONCENTRATED FLOWS -
EFFECT OF NEGATIVE SOIL WATER PRESSURES ON SEDIMENT CONCENTRATION IN RUNOFF -
ROUGHNESS AND SEALING EFFECT ON SOIL LOSS AND INFILTRATION ON A LOW SLOPE -
SOIL ERODIBILITY FACTOR (K) -
SOIL LOSS BY SPLASH AND WASH DURING RAINFALL FROM TWO LOESS SOILS -
SEDIMENT CONCENTRATION IN RELATION TO SURFACE AND SUBSURFACE HYDROLOGIC SOIL CONDITIONS -
INTERACTIONS OF SOUND WITHIN AGRICULTURAL SOILS -
THE ACOUSTIC PROBE FOR USE IN SOILS: ROUND ROBIN TEST -
SOIL AND CROP MEASUREMENTS NEEDED IN AGRICULTURAL RESEARCH: CAN ACOUSTICALTECHNIQUES PROVIDE THE ANSWERS? -
PROBE MICROPHONE INSTRUMENTATION FOR DETERMINING SOIL PHYSICAL PROPERTIES -
Last Modified: 5/2/2016
Footer Content Back to Top of Page